Technology
MIT sleep monitor can track people’s sleeping positions using radio signals – Engadget
A team of MIT researchers has developed a device that can monitor people’s sleep postures without having to use cameras or to stick sensors on their body. It’s a wall-mounted monitor the team dubbed BodyCompass, and it works by analyzing radio signals as the…
The team trained their creation’s neural network and tested its accuracy by gathering 200 hours of sleep data from 26 subjects who had to wear sensors on their chest and belly in the beginning. They said that after training the device on a week’s worth of data, it predicted the subject’s correct body posture 94 percent of the time.
In the future, BodyCompass could be paired with other devices to prod sleepers to change positions, such as smart mattresses. When that happens, the device could ale…
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